The LP3964EMP-3.3 is a high-performance, fast-response voltage regulator from Texas Instruments, designed to maintain a stable 3.3V output with an input voltage range of up to 7V. This regulator is part of the LP3964 series, well-known for its low dropout (LDO) capabilities and exceptional efficiency. It is specifically engineered to cater to a wide array of applications, including sensitive RF and analog circuits that require a stable power supply.

Key Features

• Output Voltage: The device provides a fixed output voltage of 3.3V, which is ideal for logic circuits and standard digital components.
• High Accuracy: It offers an impressive output voltage accuracy of ±1%, ensuring reliable performance for precision-dependent applications.
• Low Dropout: With a low dropout voltage, the LP3964EMP-3.3 can maintain output regulation with a minimal difference between the input and output voltages, making it highly efficient.
• Current Limiting: The built-in current limiting feature protects the device against overcurrent conditions, enhancing the overall durability and reliability of the regulator.
• Thermal Shutdown: The thermal shutdown mechanism prevents the regulator from overheating, thereby securing the system against thermal damage.
• Fast Transient Response: This regulator is optimized for a fast transient response, which is crucial for maintaining voltage stability during rapid changes in load.

Applications

The versatility of the LP3964EMP-3.3 makes it suitable for a broad range of applications. It is particularly useful in:

• High-efficiency linear power supplies
• Battery-powered devices
• Post-regulation for switching supplies
• Low-voltage logic supplies
• RF and analog-powered devices

Package and Availability

The LP3964EMP-3.3 is available in a small SOT-223 package, which is ideal for space-constrained applications. Texas Instruments provides this regulator in various order quantities, catering to both small-scale projects and large-volume industrial needs.